BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 517 53.2%
2 United States 215 22.1%
3 Germany 63 6.5%
4 Netherlands 61 6.3%
5 Sweden 18 1.9%
6 Taiwan 16 1.6%
7 France 13 1.3%
8 Australia 13 1.3%
9 India 11 1.1%
10 Korea, Republic of 11 1.1%
11 Senegal 10 1%
12 Ireland 5 0.5%
13 Hong Kong 4 0.4%
14 Russia 4 0.4%
15 Canada 3 0.3%
16 New Zealand 2 0.2%
17 Singapore 2 0.2%
18 United Kingdom 1 0.1%
19 Italy 1 0.1%
20 Bulgaria 1 0.1%